Sylvania's Gro-Lux SHP-TS 250W E40 SLV is a high-pressure sodium grow lamp developed for horticulture. The E40 tubular lamp draws around 265 W with a 2050 K Gro-Lux spectrum and is designed for open fixtures using compatible HID control gear. On Sylvania’s datasheet, the 250 W model delivers 425 μmol/s PPF (approx. 34,000 lm; 75,500 phytolumens) with an average service life of about 26,000 hours and strong lumen maintenance. The lamp weight is 0.178 kg. Retailers recommend it for small indoor spaces, typically around 0.5 m², roughly 60×60 to 80×80 cm, depending on reflector and hanging height.
